Merge branch '3.12' into backport-f2cb399-3.12

Author: encukou

.azure-pipelines/ci.yml

@@ -5,7 +5,7 @@ jobs:
   displayName: Pre-build checks
 
   pool:
-    vmImage: ubuntu-22.04
+    vmImage: ubuntu-24.04
 
   steps:
   - template: ./prebuild-checks.yml

.github/workflows/build.yml

@@ -91,6 +91,50 @@ jobs:
           name: abi-data
           path: ./Doc/data/*.abi
 
+  check_autoconf_regen:
+    name: 'Check if Autoconf files are up to date'
+    # Don't use ubuntu-latest but a specific version to make the job
+    # reproducible: to get the same tools versions (autoconf, aclocal, ...)
+    runs-on: ubuntu-24.04
+    container:
+      image: ghcr.io/python/autoconf:2024.10.16.11360930377
+    timeout-minutes: 60
+    needs: check_source
+    if: needs.check_source.outputs.run_tests == 'true'
+    steps:
+      - name: Install Git
+        run: |
+          apt update && apt install git -yq
+          git config --global --add safe.directory "$GITHUB_WORKSPACE"
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - name: Runner image version
+        run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
+      - name: Check Autoconf and aclocal versions
+        run: |
+          grep "Generated by GNU Autoconf 2.71" configure
+          grep "aclocal 1.16.5" aclocal.m4
+          grep -q "runstatedir" configure
+          grep -q "PKG_PROG_PKG_CONFIG" aclocal.m4
+      - name: Regenerate autoconf files
+        # Same command used by Tools/build/regen-configure.sh ($AUTORECONF)
+        run: autoreconf -ivf -Werror
+      - name: Check for changes
+        run: |
+          git add -u
+          changes=$(git status --porcelain)
+          # Check for changes in regenerated files
+          if test -n "$changes"; then
+            echo "Generated files not up to date."
+            echo "Perhaps you forgot to run make regen-configure ;)"
+            echo "configure files must be regenerated with a specific version of autoconf."
+            echo "$changes"
+            echo ""
+            git diff --staged || true
+            exit 1
+          fi
+
   check_generated_files:
     name: 'Check if generated files are up to date'
     # Don't use ubuntu-latest but a specific version to make the job
@@ -119,19 +163,10 @@ jobs:
         uses: hendrikmuhs/[email protected]
         with:
           save: false
-      - name: Check Autoconf and aclocal versions
-        run: |
-          grep "Generated by GNU Autoconf 2.71" configure
-          grep "aclocal 1.16.5" aclocal.m4
-          grep -q "runstatedir" configure
-          grep -q "PKG_PROG_PKG_CONFIG" aclocal.m4
       - name: Configure CPython
         run: |
           # Build Python with the libpython dynamic library
           ./configure --config-cache --with-pydebug --enable-shared
-      - name: Regenerate autoconf files
-        # Same command used by Tools/build/regen-configure.sh ($AUTORECONF)
-        run: autoreconf -ivf -Werror
       - name: Build CPython
         run: |
           # Deepfreeze will usually cause global objects to be added or removed,

.github/workflows/reusable-change-detection.yml

@@ -1,6 +1,4 @@
----
-
-name: Change detection
+name: Reusable change detection
 
 on:  # yamllint disable-line rule:truthy
   workflow_call:

.github/workflows/reusable-docs.yml

@@ -1,4 +1,4 @@
-name: Docs
+name: Reusable Docs
 
 on:
   workflow_call:
@@ -81,7 +81,7 @@ jobs:
     - name: 'Set up Python'
       uses: actions/setup-python@v5
       with:
-        python-version: '3.12'  # known to work with Sphinx 6.2.1
+        python-version: '3.13'  # known to work with Sphinx 7.2.6
         cache: 'pip'
         cache-dependency-path: 'Doc/requirements-oldest-sphinx.txt'
     - name: 'Install build dependencies'
@@ -92,7 +92,7 @@ jobs:
   # Run "doctest" on HEAD as new syntax doesn't exist in the latest stable release
   doctest:
     name: 'Doctest'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     timeout-minutes: 60
     steps:
     - uses: actions/checkout@v4

.github/workflows/reusable-macos.yml

@@ -1,3 +1,5 @@
+name: Reusable macOS
+
 on:
   workflow_call:
     inputs:
@@ -34,7 +36,10 @@ jobs:
         path: config.cache
         key: ${{ github.job }}-${{ inputs.os }}-${{ env.IMAGE_VERSION }}-${{ inputs.config_hash }}
     - name: Install Homebrew dependencies
-      run: brew install pkg-config [email protected] xz gdbm tcl-tk
+      run: |
+        brew install pkg-config [email protected] xz gdbm tcl-tk@8
+        # Because alternate versions are not symlinked into place by default:
+        brew link tcl-tk@8
     - name: Configure CPython
       run: |
         GDBM_CFLAGS="-I$(brew --prefix gdbm)/include" \

.github/workflows/reusable-tsan.yml

@@ -1,3 +1,5 @@
+name: Reusable Thread Sanitizer
+
 on:
   workflow_call:
     inputs:

.github/workflows/reusable-ubuntu.yml

@@ -1,3 +1,5 @@
+name: Reusable Ubuntu
+
 on:
   workflow_call:
     inputs:

.github/workflows/reusable-windows-msi.yml

@@ -1,4 +1,4 @@
-name: TestsMSI
+name: Reusable Windows MSI
 
 on:
   workflow_call:

.github/workflows/reusable-windows.yml

@@ -1,3 +1,5 @@
+name: Reusable Windows
+
 on:
   workflow_call:
     inputs:

Doc/Makefile

@@ -144,7 +144,7 @@ pydoc-topics: build
 
 .PHONY: gettext
 gettext: BUILDER = gettext
-gettext: SPHINXOPTS += -d build/doctrees-gettext
+gettext: override SPHINXOPTS := -d build/doctrees-gettext $(SPHINXOPTS)
 gettext: build
 
 .PHONY: htmlview
@@ -294,7 +294,7 @@ check: _ensure-pre-commit
 
 .PHONY: serve
 serve:
-	@echo "The serve target was removed, use htmlview instead (see bpo-36329)"
+	@echo "The serve target was removed, use htmllive instead (see gh-80510)"
 
 # Targets for daily automated doc build
 # By default, Sphinx only rebuilds pages where the page content has changed.